From: Steven Rostedt <srostedt@redhat.com>
Date: Fri, 13 Mar 2009 04:12:52 +0000 (-0400)
Subject: tracing: add comment for use of double __builtin_consant_p
X-Git-Tag: v2.6.30-rc1~2^2~39^2~2
X-Git-Url: http://git.openpandora.org/cgi-bin/gitweb.cgi?a=commitdiff_plain;h=bdc067582b8b71c7771bab076bbc51569c594fb4;p=pandora-kernel.git

tracing: add comment for use of double __builtin_consant_p

Impact: documentation

The use of the double __builtin_contant_p checks in the event_trace_printk
can be confusing to developers and reviewers. This patch adds a comment
to explain why it is there.

Requested-by: KOSAKI Motohiro <kosaki.motohiro@jp.fujitsu.com>
LKML-Reference: <20090313122235.43EB.A69D9226@jp.fujitsu.com>
Signed-off-by: Steven Rostedt <srostedt@redhat.com>
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